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KMID : 1211620220170040053
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Journal of the Korean Society of Physical Medicine
2022 Volume.17 No. 4 p.53 ~ p.63
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The Effect of the Contraction Pressure of the Hip Adductor Muscles on Thickness of Transversus Abdominis: A Randomized Controlled Trial
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Park Ju-Cheol
Lee Myeong-Ho
Kim Myoung-Kwon
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Abstract
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PURPOSE: This study examined the changes in the thickness of the abdominal muscles, including the transversus abdominis, according to the set pressure applied by a pressure biofeedback unit during contractions of the hip adductor muscles.
METHODS: After randomizing 40 healthy adult males in their 20 s and 30 s, the participants were instructed to match the pressure gauge indication of the pressure biofeedback device to continue contracting the hip adductor while maintaining it at 10 mmHg (low), 40 mmHg (medium), or 70 mmHg (high). The measurement was taken over five seconds using an ultrasound device.
RESULTS: According to the contractile pressure applied to the hip adductor muscle, there was a significant difference in the muscle thickness change of the transverse abdominis muscle between 10 mmHg and 70 mmHg and between 40 mmHg and 70 mmHg. The muscle thickness ratio of the external oblique/abdominal muscle was significantly different between 10 mmHg and 70 mmHg and between 40 mmHg and 70 mmHg.
CONCLUSION: Increased contraction pressure on the hip adductor muscle increases the muscle thickness of the abdominal transverse muscle. Interbody stability exercise with contractions of the hip adductor muscle is expected to help increase in the muscle thickness of the hip adductor muscle
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KEYWORD
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Biofeedback, Contraction pressure, Hip adductor, Thickness, Transversus Abdominisk
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